next-auth/src/providers/authentik.ts

Authentication for Next.js

import type { OAuthConfig, OAuthUserConfig } from "."

export interface AuthentikProfile extends Record<string, any> {
  iss: string
  sub: string
  aud: string
  exp: number
  iat: number
  auth_time: number
  acr: string
  c_hash: string
  nonce: string
  at_hash: string
  email: string
  email_verified: boolean
  name: string
  given_name: string
  family_name: string
  preferred_username: string
  nickname: string
  groups: string[]
}

export default function Authentik<P extends AuthentikProfile>(
  options: OAuthUserConfig<P>
): OAuthConfig<P> {
  return {
    id: "authentik",
    name: "Authentik",
    wellKnown: `${options.issuer}/.well-known/openid-configuration`,
    type: "oauth",
    authorization: { params: { scope: "openid email profile" } },
    checks: ["pkce", "state"],
    profile(profile) {
      return {
        id: profile.sub,
        name: profile.name ?? profile.preferred_username,
        email: profile.email,
        image: profile.picture,
      }
    },
    options,
  }
}